OpenTechnical

OT-2026-000051995

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000051995) never changes.

Identity and time

Publication numberOT-2026-000051995 · never reused
Internal UUID01a0ae83-e78e-7bb7-ba70-fab74e72f8f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051995
StatusPUBLIC

Content hashes

Canonical textc7e0e196e369467bda7c72780cab64c2a2b150c5de09ac370e0373c4656c92ed
Markdown4c96d3651c85b71865f424dd27f29e04f78fccd9b4a0bab09c2efd6617eb6f70
PDF
Publication paged1133faf52833bca9d14d79f385efe8ae31b1b11f558a0d4a6828f95f7a0d8a9
Manifestc4f0834b274ef6b951a89bb3e375e16d4f3c18ffd47f8ddc416488140818f69e

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureBnVwfzXx4Cazb60JbGqDXFkqRUI5L2BOwBvlJe2zGWqmoZ6LGRJge9K4Vkj1OqPpAdnsIKVLNi/ek/NC05eQDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:29.955431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051995
observed d1133faf52833bca9d14d79f385efe8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:29.938650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051995/manifest.json
observed c4f0834b274ef6b951a89bb3e375e16d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:29.921395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051995/publication.md
observed 4c96d3651c85b71865f424dd27f29e04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:29.904579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051995/publication.txt
observed c7e0e196e369467bda7c72780cab64c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.